OpenTechnical

OT-2026-000042353

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042353) never changes.

Identity and time

Publication numberOT-2026-000042353 · never reused
Internal UUID01a0ae7a-5d74-7f75-a361-ba6ff9ad4b87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042353
StatusPUBLIC

Content hashes

Canonical text3310b67602f9b1947760a34f67575886ac52340b019b1d8099a6978707dbc6e1
Markdownb5f218b29f3f7228fabf4d9ae3210ad2746abea6db71ba5601ecd37c3a0a95f8
PDF
Publication page7b04e369fdaaecc5cabc4b66a9b795135f4970e45a5cd9047f730796dc1e43dc
Manifest3bc2418542cfe6e789d3fd946f7034ae08b83b6cf97ce3bfd4ba2850412238ce

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1qTHQgm8aLUFyzv6InuR9DmNb1K/uw6mv4tbHR0E8CLZNJBRSq1WKl/dwhr2Le81ui9JtygUNfE6Gvsm6CqMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:03.876064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042353
observed 7b04e369fdaaecc5cabc4b66a9b79513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.858878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042353/manifest.json
observed 3bc2418542cfe6e789d3fd946f7034ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.839958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042353/publication.md
observed b5f218b29f3f7228fabf4d9ae3210ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.820666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042353/publication.txt
observed 3310b67602f9b1947760a34f67575886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.